/*
 * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

package com.sun.imageio.plugins.wbmp;

import java.util.Arrays;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.metadata.IIOMetadataFormat;
import javax.imageio.metadata.IIOMetadataFormatImpl;

public class WBMPMetadataFormat extends IIOMetadataFormatImpl {

  private static IIOMetadataFormat instance = null;

  private WBMPMetadataFormat() {
    super(WBMPMetadata.nativeMetadataFormatName,
        CHILD_POLICY_SOME);

    // root -> ImageDescriptor
    addElement("ImageDescriptor",
        WBMPMetadata.nativeMetadataFormatName,
        CHILD_POLICY_EMPTY);

    addAttribute("ImageDescriptor", "WBMPType",
        DATATYPE_INTEGER, true, "0");

    addAttribute("ImageDescriptor", "Width",
        DATATYPE_INTEGER, true, null,
        "0", "65535", true, true);
    addAttribute("ImageDescriptor", "Height",
        DATATYPE_INTEGER, true, null,
        "1", "65535", true, true);
  }


  public boolean canNodeAppear(String elementName,
      ImageTypeSpecifier imageType) {
    return true;
  }

  public static synchronized IIOMetadataFormat getInstance() {
    if (instance == null) {
      instance = new WBMPMetadataFormat();
    }
    return instance;
  }
}
